Media type: E-Article Title: Vertical distribution of zooplankton: density dependence and evidence for an ideal free distribution with costs Contributor: Lampert Winfried Published: 2005 Published in: BMC Biology, 3 (2005) 1 Language: English DOI: 10.1186/1741-7007-3-10 ISSN: 1741-7007 Origination: Footnote: Access State: Open Access